# 恺撒密码
s = input()
t = ""
base_a = ord('a')
base_A = ord('A')
for c in s:
    if 'a' <= c <= 'z': 
        t += chr( base_a + ((ord(c)-base_a) + 3 )%26 )
    elif 'A' <= c <= 'Z':
        t += chr( base_A + ((ord(c)-base_A) + 3 )%26 )
    else:
        t += c
print(t)